Popular email marketing solutions provider, GetResponse, has published results from a recent study where the firm concludes that including social media links inside the email marketing message tends to drastically improve the CTR.
Here is an average CTR measured with the following number of social media links
No Sharing option : 7.20%
1 Social Media icon : 8.70%
2 Social Media icons : 9.30%
3 Social Media icons : 11.20%
Among the social media links offered, Twitter was seen to have the most impact. Here is the average CTR of email messages with links to the following websites
Twitter : 10.20%
Facebook : 9.10%
MySpace : 8.70%
LinkedIn : 7.20%
Digg : 5.30%